NSN 5310-00-253-8276

Part Details | KEY WASHER

5310-00-253-8276 A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Alternate Parts: MS958108, MS9581-08, 5310-00-253-8276, 00-253-8276, 5310002538276, 002538276

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 28, 196900-253-827601869 ( WASHER, KEY )
REFERENCE DRAWINGS & PICTURES

90 DEGREE LOCKING KEY

Cross Reference | NSN 5310-00-253-8276
Part Number Cage Code Manufacturer
MS9581-0896906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5310-00-253-8276
Characteristic Specifications
STYLE DESIGNATOR 90 DEGREE LOCKING KEY
HOLE DIAMETER0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
OUTSIDE DIAMETER0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
EXTERNAL PREBENT KEY LENGTH0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
EXTERNAL TAPERED KEY WIDTH0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
EXTERNAL PREBENT KEY WIDTH0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.181 INCHES MINIMUM AND 0.191 INCHES MAXIMUM
MATERIAL THICKNESS0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
ANGLE BETWEEN EXTERNAL KEYS48.0 DEGREES MINIMUM AND 52.0 DEGREES MAXIMUM
EXTERNAL PREBENT KEY ANGLE15.0 DEGREES NOMINAL